WebKit r181075 was built on 05 March 2015 and is a 62.7 MB download.
WebKit r174650 was built on 13 October 2014 and is a 45.9 MB download.
Nightly builds are available for the following branches:
Archived builds are available for the following obsolete branches:
Nightly builds of WebKit are provided for testing purposes only. WebKit is open source software with portions licensed under the LGPL and BSD licenses. Complete license and copyright information can be found within the code.